Quiz on Acids, Bases, and Salts

What is Salt?

• None

• Acid + Base

• Base – Acid

• Acid – Base

What happens when a solution of an acid is mixed with a solution of a base in a test tube?

• Temperature of the solution decreases

• None

• Temperature of the solution increases

• Temperature of the solution remains the same

Which of the following is the strongest hydracid known?

• HNO3

• HCl

• HClO4

• HCN

Water in case of HCl acts as a/an ___________, in case of ammonia acts as a/an ________

• base, base

• acid, acid

• base, acid

• acid, base

Which of the following is not a Lewis acid?

• hydroxide ion

• aluminium chloride

• sodium ion

• sulphur tetrafluoride

Which one of the following salts does not contain water of crystallisation?

• Gypsum

• Washing soda

• Baking soda

• Blue vitriol

In terms of acidic strength, which one of the following is in the correct increasing order?

• Water < Acetic acid < Hydrochloric acid

• Hydrochloric acid < Water < Acetic acid

• Water < Hydrochloric acid < Acetic acid

• Acetic acid < Water < Hydrochloric acid

What is formed when zinc reacts with sodium hydroxide?

• Sodium zinc-oxide and hydrogen gas

• Sodium zincate and hydrogen gas

• Zinc hydroxide and sodium

• Sodium zincate and water

Tomato is a natural source of which acid?

• Acetic acid

• Citric acid

• Tartaric acid

• Oxalic acid

Brine is an

• aqueous solution of sodium chloride

• aqueous solution of sodium carbonate

• aqueous solution of sodium bicarbonate

• aqueous solution of sodium hydroxide